| Specialization and related fields | 
|---|
| Business career | ||
|---|---|---|
| 1. | 2003/04/01
        
          ~ 2004/03/31 | |
| 2. | 2004/04/01
        
          ~ 2021/03/31 | |
| 3. | 2021/04/01
        
          ~ | |
| Belonging society | ||
|---|---|---|
| 1. | 1995/12
        
          ~ | |
| 2. | 2006/06
        
          ~ | |
| Book and thesis | |||
|---|---|---|---|
| 1. | Books | ||
| 2. | Papers | ||
| 3. | Papers | ||
| 4. | Papers | ||
| 5. | Papers | ||